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<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> *</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> * This library is free software; you can redistribute it and/or</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> * modify it under the terms of the GNU Lesser General Public</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> * License as published by the Free Software Foundation; either</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> * version 2.1 of the License, or (at your option) any later version.</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> * This library is distributed in the hope that it will be useful,</em>
<a name="9" href="#9">9</a>   <em class="jxr_comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</em>
<a name="10" href="#10">10</a>  <em class="jxr_comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</em>
<a name="11" href="#11">11</a>  <em class="jxr_comment"> * Lesser General Public License for more details.</em>
<a name="12" href="#12">12</a>  <em class="jxr_comment"> *</em>
<a name="13" href="#13">13</a>  <em class="jxr_comment"> * You should have received a copy of the GNU Lesser General Public</em>
<a name="14" href="#14">14</a>  <em class="jxr_comment"> * License along with this library; if not, write to the Free Software</em>
<a name="15" href="#15">15</a>  <em class="jxr_comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA</em>
<a name="16" href="#16">16</a>  <em class="jxr_comment"> */</em>
<a name="17" href="#17">17</a>  <strong class="jxr_keyword">package</strong> com.totsp.gwittir.client.util;
<a name="18" href="#18">18</a>  
<a name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.core.client.GWT;
<a name="20" href="#20">20</a>  
<a name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.beans.BeanDescriptor;
<a name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.beans.Introspectable;
<a name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.beans.Introspector;
<a name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.beans.Method;
<a name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.beans.Property;
<a name="26" href="#26">26</a>  
<a name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.io.Serializable;
<a name="28" href="#28">28</a>  
<a name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> java.util.Collection;
<a name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> java.util.Iterator;
<a name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> java.util.Map;
<a name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> java.util.Stack;
<a name="33" href="#33">33</a>  
<a name="34" href="#34">34</a>  
<a name="35" href="#35">35</a>  <em class="jxr_javadoccomment">/**</em>
<a name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * Bean to introspect properties and provide toString() in GWT environ.</em>
<a name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * Inspired by the Rome bean utils -</em>
<a name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * https://rome.dev.java.net/source/browse/rome/src/java/com/sun/syndication/feed/impl/.</em>
<a name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * Powered by the gwittir Introspection API.</em>
<a name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * </em>
<a name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * Example:</em>
<a name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> * </em>
<a name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> *  public String toString() {</em>
<a name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> *       ToStringBean b = new ToStringBean(this);</em>
<a name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> *</em>
<a name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> *       return b.toString();</em>
<a name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> *   }</em>
<a name="48" href="#48">48</a>  <em class="jxr_javadoccomment"> *</em>
<a name="49" href="#49">49</a>  <em class="jxr_javadoccomment"> *   public boolean equals(Object obj) {</em>
<a name="50" href="#50">50</a>  <em class="jxr_javadoccomment"> *       EqualsHashCodeBean b = new EqualsHashCodeBean(this);</em>
<a name="51" href="#51">51</a>  <em class="jxr_javadoccomment"> *</em>
<a name="52" href="#52">52</a>  <em class="jxr_javadoccomment"> *       return b.equals(obj);</em>
<a name="53" href="#53">53</a>  <em class="jxr_javadoccomment"> *   }</em>
<a name="54" href="#54">54</a>  <em class="jxr_javadoccomment"> * </em>
<a name="55" href="#55">55</a>  <em class="jxr_javadoccomment"> * @see &lt;code&gt;com.totsp.gwittir.client.beans.AbstractModelBean&lt;/code&gt;</em>
<a name="56" href="#56">56</a>  <em class="jxr_javadoccomment"> *</em>
<a name="57" href="#57">57</a>  <em class="jxr_javadoccomment"> * @author ccollins</em>
<a name="58" href="#58">58</a>  <em class="jxr_javadoccomment"> */</em>
<a name="59" href="#59">59</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../com/totsp/gwittir/client/util/ToStringBean.html">ToStringBean</a> implements Serializable {
<a name="60" href="#60">60</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> serialVersionUID = 1L;
<a name="61" href="#61">61</a>      <strong class="jxr_keyword">private</strong> <a href="../../../../../com/totsp/gwittir/client/beans/Introspectable.html">Introspectable</a> bean;
<a name="62" href="#62">62</a>      <strong class="jxr_keyword">private</strong> Stack stack;
<a name="63" href="#63">63</a>  
<a name="64" href="#64">64</a>      <em class="jxr_javadoccomment">/**</em>
<a name="65" href="#65">65</a>  <em class="jxr_javadoccomment">     * Constructs a new instance of ToStringBean</em>
<a name="66" href="#66">66</a>  <em class="jxr_javadoccomment">     * @param bean Introspectable object to create a toString for.</em>
<a name="67" href="#67">67</a>  <em class="jxr_javadoccomment">     */</em>
<a name="68" href="#68">68</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../com/totsp/gwittir/client/util/ToStringBean.html">ToStringBean</a>(<a href="../../../../../com/totsp/gwittir/client/beans/Introspectable.html">Introspectable</a> bean) {
<a name="69" href="#69">69</a>          <strong class="jxr_keyword">this</strong>.bean = bean;
<a name="70" href="#70">70</a>          <strong class="jxr_keyword">this</strong>.stack = <strong class="jxr_keyword">new</strong> Stack();
<a name="71" href="#71">71</a>      }
<a name="72" href="#72">72</a>  
<a name="73" href="#73">73</a>      <em class="jxr_javadoccomment">/**</em>
<a name="74" href="#74">74</a>  <em class="jxr_javadoccomment">     * returns a string value for the bean.</em>
<a name="75" href="#75">75</a>  <em class="jxr_javadoccomment">     * @return returns a string value for the bean.</em>
<a name="76" href="#76">76</a>  <em class="jxr_javadoccomment">     */</em>
<a name="77" href="#77">77</a>      <strong class="jxr_keyword">public</strong> String toString() {
<a name="78" href="#78">78</a>          String[] tsInfo = (String[]) ((stack.isEmpty()) ? <strong class="jxr_keyword">null</strong> : stack.peek());
<a name="79" href="#79">79</a>          String prefix;
<a name="80" href="#80">80</a>  
<a name="81" href="#81">81</a>          <strong class="jxr_keyword">if</strong> (tsInfo == <strong class="jxr_keyword">null</strong>) {
<a name="82" href="#82">82</a>              String className = GWT.getTypeName(bean);
<a name="83" href="#83">83</a>              prefix = className.substring(className.lastIndexOf(<span class="jxr_string">"."</span>) + 1);
<a name="84" href="#84">84</a>          } <strong class="jxr_keyword">else</strong> {
<a name="85" href="#85">85</a>              prefix = tsInfo[0];
<a name="86" href="#86">86</a>              tsInfo[1] = prefix;
<a name="87" href="#87">87</a>          }
<a name="88" href="#88">88</a>  
<a name="89" href="#89">89</a>          <strong class="jxr_keyword">return</strong> toString(prefix);
<a name="90" href="#90">90</a>      }
<a name="91" href="#91">91</a>  
<a name="92" href="#92">92</a>      <strong class="jxr_keyword">private</strong> String toString(String prefix) {
<a name="93" href="#93">93</a>          StringBuffer sb = <strong class="jxr_keyword">new</strong> StringBuffer(128);
<a name="94" href="#94">94</a>  
<a name="95" href="#95">95</a>          <strong class="jxr_keyword">try</strong> {
<a name="96" href="#96">96</a>              <a href="../../../../../com/totsp/gwittir/client/beans/BeanDescriptor.html">BeanDescriptor</a> bd = Introspector.INSTANCE.getDescriptor(bean);
<a name="97" href="#97">97</a>              <a href="../../../../../com/totsp/gwittir/client/beans/Property.html">Property</a>[] properties = bd.getProperties();
<a name="98" href="#98">98</a>  
<a name="99" href="#99">99</a>              <strong class="jxr_keyword">if</strong> (properties != <strong class="jxr_keyword">null</strong>) {
<a name="100" href="#100">100</a>                 <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; properties.length; i++) {
<a name="101" href="#101">101</a>                     String pName = properties[i].getName();
<a name="102" href="#102">102</a>                     <a href="../../../../../com/totsp/gwittir/client/beans/Property.html">Property</a> p = bd.getProperty(pName);
<a name="103" href="#103">103</a>                     <a href="../../../../../com/totsp/gwittir/client/beans/Method.html">Method</a> m = p.getAccessorMethod();
<a name="104" href="#104">104</a> 
<a name="105" href="#105">105</a>                     <strong class="jxr_keyword">if</strong> (m != <strong class="jxr_keyword">null</strong>) { <em class="jxr_comment">// ensure it has a getter method</em>
<a name="106" href="#106">106</a> 
<a name="107" href="#107">107</a>                         Object value = m.invoke(bean, <strong class="jxr_keyword">null</strong>);
<a name="108" href="#108">108</a>                         printProperty(sb, prefix + <span class="jxr_string">"."</span> + pName, value);
<a name="109" href="#109">109</a>                     }
<a name="110" href="#110">110</a>                 }
<a name="111" href="#111">111</a>             }
<a name="112" href="#112">112</a>         } <strong class="jxr_keyword">catch</strong> (Exception ex) {
<a name="113" href="#113">113</a>             sb.append(<span class="jxr_string">"\n\nEXCEPTION: unable to process "</span> + prefix +
<a name="114" href="#114">114</a>                 <span class="jxr_string">".toString(): "</span> + ex.getMessage() + <span class="jxr_string">"\n"</span>);
<a name="115" href="#115">115</a>         }
<a name="116" href="#116">116</a> 
<a name="117" href="#117">117</a>         <strong class="jxr_keyword">return</strong> sb.toString();
<a name="118" href="#118">118</a>     }
<a name="119" href="#119">119</a> 
<a name="120" href="#120">120</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> printProperty(StringBuffer sb, String prefix, Object value) {
<a name="121" href="#121">121</a>         <strong class="jxr_keyword">if</strong> (value == <strong class="jxr_keyword">null</strong>) {
<a name="122" href="#122">122</a>             sb.append(prefix).append(<span class="jxr_string">"=null\n"</span>);
<a name="123" href="#123">123</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (ArrayUtils.isArray(value)) {
<a name="124" href="#124">124</a>             printArrayProperty(sb, prefix, value);
<a name="125" href="#125">125</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (value instanceof Map) {
<a name="126" href="#126">126</a>             Map map = (Map) value;
<a name="127" href="#127">127</a>             Iterator i = map.entrySet().iterator();
<a name="128" href="#128">128</a> 
<a name="129" href="#129">129</a>             <strong class="jxr_keyword">if</strong> (i.hasNext()) {
<a name="130" href="#130">130</a>                 <strong class="jxr_keyword">while</strong> (i.hasNext()) {
<a name="131" href="#131">131</a>                     Map.Entry me = (Map.Entry) i.next();
<a name="132" href="#132">132</a>                     String ePrefix = prefix + <span class="jxr_string">"["</span> + me.getKey() + <span class="jxr_string">"]"</span>;
<a name="133" href="#133">133</a>                     Object eValue = me.getValue();
<a name="134" href="#134">134</a> 
<a name="135" href="#135">135</a>                     <em class="jxr_comment">//NEW</em>
<a name="136" href="#136">136</a>                     String[] tsInfo = <strong class="jxr_keyword">new</strong> String[2];
<a name="137" href="#137">137</a>                     tsInfo[0] = ePrefix;
<a name="138" href="#138">138</a>                     stack.push(tsInfo);
<a name="139" href="#139">139</a> 
<a name="140" href="#140">140</a>                     String s = (eValue != <strong class="jxr_keyword">null</strong>) ? eValue.toString() : <span class="jxr_string">"null"</span>;
<a name="141" href="#141">141</a>                     stack.pop();
<a name="142" href="#142">142</a> 
<a name="143" href="#143">143</a>                     <strong class="jxr_keyword">if</strong> (tsInfo[1] == <strong class="jxr_keyword">null</strong>) {
<a name="144" href="#144">144</a>                         sb.append(ePrefix).append(<span class="jxr_string">"="</span>).append(s).append(<span class="jxr_string">"\n"</span>);
<a name="145" href="#145">145</a>                     } <strong class="jxr_keyword">else</strong> {
<a name="146" href="#146">146</a>                         sb.append(s);
<a name="147" href="#147">147</a>                     }
<a name="148" href="#148">148</a>                 }
<a name="149" href="#149">149</a>             } <strong class="jxr_keyword">else</strong> {
<a name="150" href="#150">150</a>                 sb.append(prefix).append(<span class="jxr_string">"=[]\n"</span>);
<a name="151" href="#151">151</a>             }
<a name="152" href="#152">152</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (value instanceof Collection) {
<a name="153" href="#153">153</a>             Collection collection = (Collection) value;
<a name="154" href="#154">154</a>             Iterator i = collection.iterator();
<a name="155" href="#155">155</a> 
<a name="156" href="#156">156</a>             <strong class="jxr_keyword">if</strong> (i.hasNext()) {
<a name="157" href="#157">157</a>                 <strong class="jxr_keyword">int</strong> c = 0;
<a name="158" href="#158">158</a> 
<a name="159" href="#159">159</a>                 <strong class="jxr_keyword">while</strong> (i.hasNext()) {
<a name="160" href="#160">160</a>                     String cPrefix = prefix + <span class="jxr_string">"["</span> + (c++) + <span class="jxr_string">"]"</span>;
<a name="161" href="#161">161</a>                     Object cValue = i.next();
<a name="162" href="#162">162</a> 
<a name="163" href="#163">163</a>                     <em class="jxr_comment">//NEW</em>
<a name="164" href="#164">164</a>                     String[] tsInfo = <strong class="jxr_keyword">new</strong> String[2];
<a name="165" href="#165">165</a>                     tsInfo[0] = cPrefix;
<a name="166" href="#166">166</a>                     stack.push(tsInfo);
<a name="167" href="#167">167</a> 
<a name="168" href="#168">168</a>                     String s = (cValue != <strong class="jxr_keyword">null</strong>) ? cValue.toString() : <span class="jxr_string">"null"</span>;
<a name="169" href="#169">169</a>                     stack.pop();
<a name="170" href="#170">170</a> 
<a name="171" href="#171">171</a>                     <strong class="jxr_keyword">if</strong> (tsInfo[1] == <strong class="jxr_keyword">null</strong>) {
<a name="172" href="#172">172</a>                         sb.append(cPrefix).append(<span class="jxr_string">"="</span>).append(s).append(<span class="jxr_string">"\n"</span>);
<a name="173" href="#173">173</a>                     } <strong class="jxr_keyword">else</strong> {
<a name="174" href="#174">174</a>                         sb.append(s);
<a name="175" href="#175">175</a>                     }
<a name="176" href="#176">176</a>                 }
<a name="177" href="#177">177</a>             } <strong class="jxr_keyword">else</strong> {
<a name="178" href="#178">178</a>                 sb.append(prefix).append(<span class="jxr_string">"=[]\n"</span>);
<a name="179" href="#179">179</a>             }
<a name="180" href="#180">180</a>         } <strong class="jxr_keyword">else</strong> {
<a name="181" href="#181">181</a>             String[] tsInfo = <strong class="jxr_keyword">new</strong> String[2];
<a name="182" href="#182">182</a>             tsInfo[0] = prefix;
<a name="183" href="#183">183</a>             stack.push(tsInfo);
<a name="184" href="#184">184</a> 
<a name="185" href="#185">185</a>             String s = value.toString();
<a name="186" href="#186">186</a>             stack.pop();
<a name="187" href="#187">187</a> 
<a name="188" href="#188">188</a>             <strong class="jxr_keyword">if</strong> (tsInfo[1] == <strong class="jxr_keyword">null</strong>) {
<a name="189" href="#189">189</a>                 sb.append(prefix).append(<span class="jxr_string">"="</span>).append(s).append(<span class="jxr_string">"\n"</span>);
<a name="190" href="#190">190</a>             } <strong class="jxr_keyword">else</strong> {
<a name="191" href="#191">191</a>                 sb.append(s);
<a name="192" href="#192">192</a>             }
<a name="193" href="#193">193</a>         }
<a name="194" href="#194">194</a>     }
<a name="195" href="#195">195</a> 
<a name="196" href="#196">196</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> printArrayProperty(StringBuffer sb, String prefix, Object array) {
<a name="197" href="#197">197</a>         <strong class="jxr_keyword">int</strong> length = ArrayUtils.getArrayLength(array);
<a name="198" href="#198">198</a> 
<a name="199" href="#199">199</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; length; i++) {
<a name="200" href="#200">200</a>             Object obj = ArrayUtils.getArrayElement(array, i);
<a name="201" href="#201">201</a>             printProperty(sb, prefix + <span class="jxr_string">"["</span> + i + <span class="jxr_string">"]"</span>, obj);
<a name="202" href="#202">202</a>         }
<a name="203" href="#203">203</a>     }
<a name="204" href="#204">204</a> }
</pre>
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